Models available in 80mm – 150mm aperture
Optimized for astrophotography
3 element design for enhanced color and clarity
“Amount the Best Apo Values on the Market Today” - Richard Wright
“A Fast affordable Astrograph” - Alan Dyer
Photo Credits: NGC 3372 -Hamish Thava
Photo Credits: Sharpless 311 Nebula-Hamish Thava
Photo Credits: Pleiades with Esprit80ED-Tommy Nawratil
Esprit 80ED APO Triplet | Esprit 100 ED APO Triplet | Esprit 120ED APO Triplet | Esprit 150ED APO Triplet | ||
---|---|---|---|---|---|
Optical Design | Apochromatic Refractor | ||||
Optical design | Apochromatic Refractor | Apochromatic Refractor | Apochromatic Refractor | Apochromatic Refractor | |
Faintest steller magnitude | 12.5 | 13 | |||
Focal length | 400mm | 550mm | 840mm | 1050mm | |
Focuser diameter | 2.7" Linear Power Focuser | 3" Linear Power Focuser | 3" Linear Power Focuser | 3" Linear Power Focuser | |
Finder scope | 8x50 right angel erect | 8x50 right angle erect finder | 8x50 Right Angled Erect Image | 8x50 Right Angled Erect Image | |
Tube weight | 3.97 kg | 6.3 kg | 9.61 kg | 14.52 kg | |
Optical diameter | 80mm | 100mm | 120mm | 150mm | |
Shipping weight | 20 kg | 23 kg | 26 kg | 30 kg | |
F/ratio | f/5 | f/5.5 | F/7 | F/7 | |
Tube dimensions | 8.3cmx45cm | 10.5cmx47cm | 12.5cmx75cm | 15.3cmx95cm | |
Secondary mirror diameter | |||||
Shipping dimensions | 69x51x39 cm3 | 105x39x29 cm3 | 122x46x48 cm3 | 130x56x56 cm3 | |
Diagnol | 2" 90 deg. Dielectric Diagonal with 1.25" adapter | 2" 90 deg. Dielectric Diagonal with 1.25" adapter | 2" 90 deg. Dielectric Diagonal with 1.25" adapter | 2" 90 deg. Dielectric Diagonal with 1.25" adapter | |
Highest practical power | 120x | 150x | 240x | 300x | |
Eyepieces | LET 2"-28mm |